# input or output
"""
name = input("you name:")
gender = input("you gender:")

welcome_str = "Welcome to the matrix {prefix} {name}."
welcome_dic = {
    'prefix': 'Mr.' if gender == 'y' else 'Mrs',
    'name': name
}
print('authorizing...')
print(welcome_str.format(**welcome_dic))
"""

a = input()
b = input()

print('a + b = {}'.format(a + b))
print('type of a is {}, type of b is {}'.format(type(a), type(b)))
print('a + b = {}'.format(int(a) + int(b)))
